Optima V6-2.7L VIN 4 (2007)
Heated Glass Control Module: Service and Repair
Rear Window Defogger
INSPECTION
1. Disconnect the negative (-) battery terminal.
2. Remove the junction box.
3. Check for continuity between the terminals.
4. There should be continuity between the No.2 in the I/P-G connector and No.7 terminal in the I/P-C connector when power and ground are
connected to the No.2 terminal in the I/P-G connector and No.8 terminal in the I/P-C connector.
5. There should be no continuity between the No.2 terminal in the I/P-G connector and No.7 terminal in the I/P-C connector when power is
disconnected.
